13266268687 has 16 divisors (see below), whose sum is σ = 15203073600. Its totient is φ = 11339919360.

The previous prime is 13266268663. The next prime is 13266268709. The reversal of 13266268687 is 78686266231.

It is not a de Polignac number, because 13266268687 - 2¹⁹ = 13265744399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13266268627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6410889 + ... + 6412957.

It is an arithmetic number, because the mean of its divisors is an integer number (950192100).

Almost surely, 2^13266268687 is an apocalyptic number.

13266268687 is a deficient number, since it is larger than the sum of its proper divisors (1936804913).

13266268687 is a wasteful number, since it uses less digits than its factorization.

13266268687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4146.

The product of its digits is 6967296, while the sum is 55.

The spelling of 13266268687 in words is "thirteen billion, two hundred sixty-six million, two hundred sixty-eight thousand, six hundred eighty-seven".